> 95% by SDS-PAGE stained by Coomassie Blue
Endotoxin level < 1 EU/μg
純度
Measured by neutralization of interferon in cytopathic effect inhibition assay.
生物活性
Neutralizes all mouse IFN alpha subtypes, all human IFN alpha subtypes, human IFN beta, human IFN omega, rat IFN alpha 1, and mouse limitin.
Does not neutralize mouse IFN beta, human IFN gamma, human IFN lambda 1, human IFN lambda 2, human IFN lambda 3, or rat IFN alpha 14 when tested at ≥ 100X the typical neutralizing dose.
緩沖液
Phosphate buffered saline (PBS) containing 0.1% bovine serum albumin (BSA)
內(nèi)毒素
< 1 EU/μg
純度
> 95%
純化方法
A combination of ion exchange and size exclusion chromatography
貯存
For retention of full activity store at -70 oC or below and avoid repeated freeze-thaw cycles